[{"_id":{"$oid":"633aede250625c10dddfd57b"},"title":"test 1","description":"Hello World","date":{"$date":"2021-03-09T18:30:00.000Z"},"image":"fd16b297-9ad1-4e84-8c3e-715a33b351b3.png","createdAt":{"$date":"2022-10-03T14:12:50.399Z"},"updatedAt":{"$date":"2022-10-03T14:12:50.399Z"},"__v":0},{"_id":{"$oid":"633aede650625c10dddfd57f"},"title":"test 2","description":"Hello World","date":{"$date":"2022-03-09T18:30:00.000Z"},"image":"2084f157-6610-402d-9dca-6681fe6da7d4.png","createdAt":{"$date":"2022-10-03T14:12:54.982Z"},"updatedAt":{"$date":"2022-10-03T14:12:54.982Z"},"__v":0}]

db.collection.find({$expr:{$eq:[{"$dateToString":{"date":"$date","format":"%Y-%m-%d"}},/** your input here*/"2021-03-09"]}})